mirror of https://github.com/Cesura/pastey.git
fixed the pastey.sh template which had serious bugs. (#27)
Steve Hay
2 years ago
committed by
GitHub
parent
9729ac9b5b
commit
8972cb8a0c
@ -1,234 +1,178 @@
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#!/usr/bin/env bash
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# c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t
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# vi: set shiftwidth=4 tabstop=4 noexpandtab:
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# :indentSize=4:tabSize=4:noTabs=false:
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PASTEY_ENDPOINT={{ endpoint }}
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# script framework based on https://betterdev.blog/minimal-safe-bash-script-template/
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# initially adapted and written by Serge van Ginderachter <serge@vanginderachter.be>
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show_help() {
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cat <<-EOF
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Usage: ${0##*/} [-h] [-e] [-f INFILE] [-s] [-t title] [-x time_hrs] [-- command]
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set -Eeo pipefail
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#execute=(echo popo)trap cleanup SIGINT SIGTERM ERR EXIT
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script_dir=$(cd "$(dirname "${BASH_SOURCE[0]}")" &>/dev/null && pwd -P)
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# your custom endpoint
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PASTEY_ENDPOINT="{{ endpoint }}"
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#
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## functions
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usage() {
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cat <<-EOF
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Usage: $(basename "${BASH_SOURCE[0]}") [-h] [-v] [-f] -p param_value arg1 [arg2...]
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Script description here.
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CLI interface to pastey.
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Available options:
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-h, --help Print this help and exit
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-v, --verbose Print script debug info
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-c, --content Pass the content of the paste in a simple argument
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-e, --encrypt Encrypt the paste content
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-f, --file Read the content from this file. If file is "-", read from stdin
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-f, --file Read the content from this file.
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-s, --single Create a paste that expires after the first view
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-t, --title Set the title of the paste
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-x, --expiration
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Set the time in hours after which the paste expires
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Set the time in hours after which the paste expires
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(Default is expiration is disabled)
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-- Stop further option parsing
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Arguments passed after the -- option are evaluated
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as a command, and that command's output is pasted.
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The full command is used a the title.
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Arguments passed after the -- option are evaluated
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as a command, and that command's output is pasted.
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The full command is used a the title.
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If zero arguments are passed,
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or none of --content, --file or -- are passed,
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or none of --file or -- are passed,
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content is read from stdin.
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EOF
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exit
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}
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cleanup() {
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trap - SIGINT SIGTERM ERR EXIT
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msg "Some unhandled error happened.\n"
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usage
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}
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msg() {
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echo >&2 -e "${1-}"
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}
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die() {
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local msg=$1
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local code=${2-1} # default exit status 1
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msg "$msg\n"
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exit "$code"
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printf '%s\n' "$1" >&2
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exit 1
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}
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parse_params() {
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# check required params and arguments
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expiration=
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content=
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title=
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file=
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single="false"
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encrypt="false"
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while (( "$#" ))
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do
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case "${1-}" in
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-h | --help)
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usage
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;;
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-v | --verbose)
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set -x
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;;
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-t | --title)
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shift || :
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title="${1}"
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shift || :
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;;
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-c | --content)
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shift || :
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content="${1}"
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shift || :
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;;
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-f | --file)
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shift || :
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file="${1}"
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shift || :
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;;
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-x | --expiration)
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shift || :
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expiration="${1}"
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shift || :
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;;
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-s | --single)
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shift || :
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single="true"
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;;
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-e | --encrypt)
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shift || :
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encrypt="true"
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;;
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--)
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shift || :
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execute=($*)
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shift $#
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;;
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-?*)
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die "Unknown option: $1"
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shift || :
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;;
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*)
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if [[ -n "${1:-}" ]]
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then
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die "Unknown parameter: $1"
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fi
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;;
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esac
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done
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}
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parse_options(){
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# warn if both single and expiration are set
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if [[ -n "${expiration}" ]] && [[ -n "${single}" ]]
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then
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die "option -x|--expiration and -s|--single are mutually exclusive"
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fi
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# warn if more than 1 source
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if [[ -n "${content}" && -n "${file}" ]] ||
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[[ -n "${content}" && -n "${execute[*]}" ]] ||
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[[ -n "${execute[*]}" && -n "${file}" ]]
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then
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die "option -c|--content, -f|--file and -- <command> are mutually exclusive"
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fi
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if [[ -z "${content}" ]]
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then
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if [[ -n "${file}" ]]
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then
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if [[ ${file} = "-" ]]
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then
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content="$(</dev/stdin)"
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elif [ -r ${file} ]
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then
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content="$(cat ${file} | tr -d '\0')"
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# check required params and arguments
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file=
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expiration=
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title=
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single=
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encrypt=
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execute=
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while :; do
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case $1 in
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-h|--help)
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show_help
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exit
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;;
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-e|--encrypt)
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encrypt='-F encrypt='
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;;
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-f|--file)
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if [ "$2" ]; then
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file=$2
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if [ ! "$title" ]; then
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title=$file
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fi
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shift
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else
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die "Could not read from ${file}"
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die 'ERROR: "--file requires a non-empty option argument.'
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fi
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elif [[ -n "${execute[*]}" ]]
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then
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content="$( bash -c "${execute[*]}" 2>&1 ||: )"
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else
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content="$(</dev/stdin)"
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fi
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fi
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;;
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--file=?*)
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file=${1#*=}
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title=$file
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;;
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--file=) # Handle the case of an empty --file=
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die 'ERROR: "--file requires a non-empty option argument.'
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;;
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-s|--single)
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single='-F single='
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expiration=
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;;
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-t|--title)
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if [ "$2" ]; then
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title=$2
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shift
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else
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die 'ERROR: --title requires a non-empty option argument'
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fi
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;;
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--title=?*)
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title=${1#*=}
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;;
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--title=) # Handle the case of an empty --title=
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die 'ERROR: --title requires a non-empty option argument'
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;;
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-x|--expiration)
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if [ "$2" ]; then
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expiration=$2
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shift
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else
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die 'ERROR: --expiration requires a non-empty option argument'
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fi
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;;
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--expiration=?*)
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expiration=${1#*=}
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;;
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--expiration=) # Handle the case of an empty --expiration=
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die 'ERROR: --expiration requires a non-empty option argument'
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;;
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--) # End of all options
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shift
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execute=("$@")
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if [ ! "$title" ]; then
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title=${execute[*]}
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fi
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break
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;;
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-?*)
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printf 'WARN: Unknown option (ignored): %s\n' "$1" >&2
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;;
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*) # Default case: No more options, so break out of the loop.
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break
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esac
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shift
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done
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# expiration needs to be set to disabled
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if [ -z "${expiration}" ]
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then
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expiration="-1"
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fi
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# alternative titles if possible
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if [ -z "${title}" ]
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then
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if [ -n "${file}" ]
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then
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title="${file}"
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elif [ -n "${execute[*]}" ]
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then
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title="${execute[@]}"
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fi
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# do some sanity checks
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if [ "$expiration" ] && [ "$single" ]; then
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die 'option -x|--expiration and -s|--single are mutually exclusive'
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fi
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if [ "${execute[*]}" ] && [ "$file" ]; then
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die "-f|--file and -- <command> are mutually exclusive"
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fi
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# set title to unknown if empty
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if [ ! "$title" ]; then
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title=untitled
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fi
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# read contents
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if [ "$execute" ]; then # input from an executed command
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exec {content_fd}< <("${execute[@]}" 2>&1)
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elif [ "$file" ]; then # input from a file
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if [ -r "$file" ]; then
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exec {content_fd}< "$file"
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else
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die "Could not read from file \"$file\""
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fi
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else # read from stdin
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exec {content_fd}< /dev/fd/0
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fi
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}
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# expiration needs to be set to -1 if disabled
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if [ ! "${expiration}" ]; then
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expiration="-1"
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fi
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# just do it now
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paste_it() {
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content=$(echo -n "${content}" | base64)
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payload="{
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\"content\": \"${content}\",
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\"title\": \"${title}\",
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\"expiration\": \"${expiration}\",
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\"encrypt\": ${encrypt},
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\"single\": ${single},
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\"base64\": true
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}"
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echo -n $payload | curl \
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-X POST \
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-H "Content-Type: application/json" \
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--data-binary @- \
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${PASTEY_ENDPOINT}; echo
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}
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## main execution
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# upload
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parse_params $*
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parse_options
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paste_it
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curl \
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-X POST \
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-F "cli=" \
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-F "title=$title" \
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-F "content=</dev/fd/$content_fd" \
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-F "expiration=$expiration" \
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${encrypt} \
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${single} \
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"${PASTEY_ENDPOINT}"
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echo
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# exit cleanly
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trap - SIGINT SIGTERM ERR EXIT
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exit 0
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exec {content_fd}<&-
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